TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) Insider Trading

29 insiders at TAIWAN SEMICONDUCTOR MANUFACTURING CO LTD (TSM) have purchased stock in the past 90 days, totaling $823K across 34 transactions (9,909 shares).

The most recent purchase was by VP Tien Bor-Zen on April 28, 2026 — a $4K buy of 10 shares at $386.00, bringing his total holdings to 80 shares.

Insiders who purchased: BURNS URSULA M (Director, 1 buy totaling $322K); Lin Shyue-Shyh (VP, 3 buys totaling $279K); Tien Bor-Zen (VP, 3 buys totaling $63K); Yeap Choh Fei (VP, 2 buys totaling $60K); Wei Che-Chia (CEO, 1 buy totaling $11K); Chin Yung-Pei (COO, 1 buy totaling $5K); Mii Yuh-Jier (COO, 1 buy totaling $5K); Zhang Kevin Xiaoqiang (COO, 1 buy totaling $5K); Hou Yung-Chin (COO, 1 buy totaling $5K); Wu Shien-Yang (VP, 1 buy totaling $4K); Fang Shu-Hua (VP, 1 buy totaling $4K); Wang Ying-Lang (VP, 1 buy totaling $4K); Chang Tzonz-Sheng (VP, 1 buy totaling $4K); Cao Min (VP, 1 buy totaling $4K); Hsu Kuo-Chin (VP, 1 buy totaling $4K); Lu Lee-Chung (VP, 1 buy totaling $4K); Yoo Chue-San (VP, 1 buy totaling $4K); Lee Chun-Hsien (VP, 1 buy totaling $4K); Jang Syun-Ming (VP, 1 buy totaling $4K); Chuang Juiping (VP, 1 buy totaling $4K); Liaw Yung-Haw (VP, 1 buy totaling $4K); Lin Chris Horng-Dar (VP, 1 buy totaling $3K); Chuang Tzu-Sou (VP, 1 buy totaling $3K); He Jun (VP, 1 buy totaling $3K); Chen Pei-Hung (VP, 1 buy totaling $3K); Yuan Lipen (VP, 1 buy totaling $3K); Hwang Yuan-Ko (VP, 1 buy totaling $3K); Chen Chih-Ho (Controller, 1 buy totaling $2K); Huang Jen-Chau (CFO, 1 buy totaling $2K).

This insider buying is notable given that TSM had no recorded open market purchases in the nine months before that.

With 29 different insiders buying in the same 90-day window, this qualifies as cluster buying at TSM — a pattern that research suggests can signal conviction among management.

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